package Polymorphism;

public class Mouse implements USB{

    @Override
    public void open() {
        System.out.println("鼠标, 开机!");
    }

    @Override
    public void close() {
        System.out.println("鼠标, 关闭!");
    }
    public void click(){
        System.out.println("鼠标,点点点!");
    }
}
